Messages in this thread | | | Subject | Re: [PATCH v2 3/3] Staging: octeon-usb: Breaks down cvmx_usb_poll_channel(). | From | Joe Perches <> | Date | Thu, 26 Jul 2018 09:31:35 -0700 |
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On Thu, 2018-07-26 at 18:41 +0300, Georgios Tsotsos wrote: > In order to make this function more clear a new function created that controls > channels halt on no DMA mode. [] > diff --git a/drivers/staging/octeon-usb/octeon-hcd.c b/drivers/staging/octeon-usb/octeon-hcd.c [] > @@ -2585,6 +2585,52 @@ static void cvmx_usb_transfer_isoc(struct octeon_hcd *usb, > } > } > > +/** > + * Handles channels halt in non DMA mode > + * @usbc_hcchar: Host Channel-n Characteristics Register (HCCHAR) > + * @usbc_hcint: Host Channel-n Interrupt Register > + * @usb: USB device > + * @channel: Channel to poll > + * > + * In non DMA mode the channels don't halt themselves. We need > + * to manually disable channels that are left running > + * > + * Returns: -1 on halt > + */ > +static int cvmx_usb_dma_halt(union cvmx_usbcx_hccharx usbc_hcchar, > + union cvmx_usbcx_hcintx usbc_hcint,
It looks very suspect to pass unions on the stack.
Are you sure these aren't used after this function is called?
Likely these should be pointers to unions.
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